#234CBA#234CBA
#234CBA is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.9% C 0.180 H 264.6°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).
Color values
| HEX | #234CBA |
|---|---|
| RGB | rgb(35, 76, 186) |
| HSL | hsl(224, 68%, 43%) |
| HSV | hsv(224, 81%, 73%) |
| CMYK | cmyk(81.2%, 59.1%, 0%, 27.1%) |
| CIE-LAB | lab(36.12, 27.14, -61.88) |
| CIE-LCH | lch(36.12, 67.57, 293.68°) |
| OKLab | oklab(45.93% -0.0169 -0.1789) |
| OKLCH | oklch(45.93% 0.18 264.6) |
| XYZ | xyz(12.1374, 9.0699, 47.5558) |
| Luminance | 0.0907 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 2.85
Cobalt
#0047AB
ΔE00 3.22
Blue Blue
#2242C7
ΔE00 3.87
Blue (survey)
#0343DF
ΔE00 5.41
Cobalt (survey)
#1E488F
ΔE00 6.16
Sapphire (survey)
#2138AB
ΔE00 6.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#234CBA #BA9123
analogous
#2397BA #234CBA #4623BA
triadic
#234CBA #BA234C #4CBA23
tetradic
#234CBA #BA2397 #BA9123 #23BA46
square
#234CBA #BA2397 #BA9123 #23BA46
split-complementary
#234CBA #BA4623 #97BA23
monochromatic
#102253 #193786 #234CBA #3F6ADB #7392E5
Accessibility & contrast
On white
7.46
#234CBA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.81
#234CBA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #234CBA
7.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##234CBA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##234CBA | 1.00 | 7.46 | 2.81 | 7.46 |
| #FFFFFF | 7.46 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.81 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.46 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005CBE
Deuteranopia (green-blind)
#004EB8
Tritanopia (blue-blind)
#00687B
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #234cba; /* rgb */ color: rgb(35, 76, 186); /* oklch */ color: oklch(45.9% 0.180 264.6);
Tailwind
colors: {
custom: {
50: '#787dd0',
500: '#234cba',
950: '#000000',
},
}SCSS
$custom: #234cba; $custom-light: #787dd0; $custom-dark: #000000;
JSON
{
"hex": "#234cba",
"rgb": {
"r": 35,
"g": 76,
"b": 186
},
"hsl": {
"h": 223.709,
"s": 68.326,
"l": 43.333
},
"oklch": {
"l": 0.4593,
"c": 0.17971,
"h": 264.6
},
"luminance": 0.09071
}Semantic roles & 50–950 ramp
primary
#234CBA
secondary
#CCB26D
accent
#BC3DEB
background
#F8F7FC
surface
#EFEEF9
border
#CAC9D2
text
#0B0914
muted
#7C7B82